@mixin px2rem($name, $px){
    #{$name}: $px / 75 * 1rem;
}

.swiper-wrapper{
    @include px2rem(height,1080);
    img{  
        width: 100%;
        height: 100%;
    }
} 
.swiper-container{
    .swiper-pagination{
        position: relative;
        top: -125px;
    }
}   
